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MrRa [10]
3 years ago
9

What is 6.78 and 8.21 rounded to tenth nearest tenth

Mathematics
2 answers:
lilavasa [31]3 years ago
6 0

Answer:

6.78=6.8

8.21=8.2

yaroslaw [1]3 years ago
4 0
Here is your answer:

6.78 rounded to the nearest tenth = 7.00 because the 7 in 6.78 is greater then five.

8.21 rounded to the nearest tenth= 8.00 because the 2 in 8.21 is NOT greater than five.
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Use the order pairs to write a function rule. Give the tule in slope-intercept form.
topjm [15]

to get the equation of any straight line, we simply need two points off of it, so hmmm let's use say (-1 , -1.25) and (8 , -3.5)

(\stackrel{x_1}{-1}~,~\stackrel{y_1}{-1.25})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{-3.5}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-3.5}-\stackrel{y1}{(-1.25)}}}{\underset{run} {\underset{x_2}{8}-\underset{x_1}{(-1)}}}\implies \cfrac{-3.5+1.25}{8+1}\implies \cfrac{-2.25}{9}\implies -\cfrac{~~ \frac{225}{100}~~}{\frac{9}{1}} \\\\\\ -\cfrac{225}{100}\cdot \cfrac{1}{9}\implies -\cfrac{9}{4}\cdot \cfrac{1}{9}\implies -\cfrac{1}{4}

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-1.25)}=\stackrel{m}{-\cfrac{1}{4}}(x-\stackrel{x_1}{(-1)}) \\\\\\ y+1.25=-\cfrac{1}{4}(x+1)\implies y+\cfrac{5}{4}=-\cfrac{1}{4}x-\cfrac{1}{4} \\\\\\ y=-\cfrac{1}{4}x-\cfrac{1}{4}-\cfrac{5}{4}\implies y=-\cfrac{1}{4}x-\cfrac{6}{4}\implies y=-\cfrac{1}{4}x-\cfrac{3}{2}

3 0
2 years ago
there is a line includes the point (0,4) and has a slope of 7 what is its equation in slope-intercept form
Oliga [24]

Answer:

y=7x+4

Step-by-step explanation:

slope- intercept form is y=mx+c

m=7

so y=7x+c

substitute (0,4) into y=7x+c

so 4=(7x0)+c

c=4

so y=7x+4

3 0
3 years ago
Please help thanks<br> Xxxxx
Stells [14]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the volume of the cone with radius 5 inches and height 9 inches to the nearest cubic inch
charle [14.2K]

Answer:

236 inches^3

Step-by-step explanation:

V=πr^2 h/3

pi5^2*3

25*pi3

75pi

=235.62

7 0
3 years ago
Read 2 more answers
Which binomial is a factor of the quadratic trinomial x2 − 7x + 12? A. (x − 6) B. (x + 2) C. (x − 4) D. (x + 3)
svet-max [94.6K]

Step-by-step explanation:

x2 - 7x + 12

Finding factors of 12

x2 - 4x - 3x + 12

x(x - 4) - 3(x - 4)

(x-4) (x-3) are the factors

Option C is the correct answer

3 0
3 years ago
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